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Scientists

This category is for questions about the people who apply the scientific method to solve problems, introduce new concepts, and strive to explain the natural world.

9,527 Questions

What year did Antonie Lavoisier discovered silicon?

Lavoisier discovered it in 1787. But the one who saw, that this is an new element was Jöns Jakob Berzelius in 1824.

Another question:Does anybody of you know, how Antoine Lavoisier discovered silicon? With which experiment?

Thanks for every answer!

What were Nikola Tesla's last words?

"Let the future tell the truth, and Evaluate each one according to his work and accomplishments. The present is theirs. The future, for which I have really worked, is mine"

Which scientist discovered gold?

Gold has been known since very early prehistoric times; it predates science.

Is tesla free electricity a fake?

Yes, the claim of Tesla providing free electricity is a misconception. While Nikola Tesla made significant contributions to the field of electricity and wireless power transmission, there is no evidence to suggest that he discovered a way to provide unlimited free electricity to consumers. The production and distribution of electricity require resources and infrastructure, so it cannot be truly free.

What is scientists call a group of symbols and numbers that stands for a compound?

Scientists call a group of symbols and numbers that stands for a compound a chemical formula. This formula shows the type and number of atoms that make up the compound.

Did any of Nikola Tesla's sisters get married?

The area their from went thought a series of conflicts thus this records have not surfaced as far as I know. Milica Tesla was married to Nickola Sassic. The thing is that Nikola Tesla sister really named Milka so I am no sure it was her or a writing error.

What scientist would best fit this scene?

It seems that you haven't provided a specific scene for reference. Could you please give more details or context so that I can suggest a scientist who would best fit the scene you have in mind?

What did Nikola Tesla discovered?

Tesla was a different kind of person, inventor and genius. He was a pioneer of electrical apparatus, methods,and principles which continue to influence every aspect of our electrical world.

He invented the alternation current generators that light up the world today. He also invented the electric car engine started. He came with the basis of wireless communication, radio, x rays and remote control.

The work of scientist begin with?

making observations and asking questions.

What scientists were involved in the discovery of radioactivity?

Marie Curie, Pierre Curie, and Henri Becquerel were key scientists involved in the discovery of radioactivity in the late 19th and early 20th centuries. Marie Curie's work with radioactive materials led to her pioneering research on radioactivity for which she was awarded Nobel Prizes in Physics and Chemistry.

What units of measurement are used by scientist worldwide?

Scientists worldwide primarily use the International System of Units (SI) as the standard system of measurement. This system includes units such as meters (length), kilograms (mass), seconds (time), and kelvin (temperature). These units provide a common language for scientists to communicate and work together effectively.

Which famous Japanese scientist did earthquake research?

Kiyoo Wadati who discovered the zones of deep seismic activity that mark the downgoing slab of a subduction zone.

These are named Wadati-Benioff zones after Professor Wadati and Professor Hugo Benioff who discovered them at much trhe same time while doing independent research.

What is the reasons that a scientist composes a scientific paper after completing an experiment?

This allows other scientists to read the experiment. Other scientists can then perform the same or similar experiment and verify the results. If a scientist is not willing to share results then there is the possibility of the experiment and the results being discredited.

The above statement could be true. However, not complete. Why..? Although a scientist has a process or invention it is still allowed to be protected by Intellectual Proprietary Laws. Again the USA government has many classified scientific papers that have to stay classified due to the fact that releasing such data could a threat to National Security. So just because a scientific paper is not available to other scientists does not mean it's discredited.

How do scientists know about the structure of an atom?

Scientists know about the structure of an atom through experimentation, such as using techniques like X-ray crystallography and spectroscopy to study the behavior of atoms. Theories like quantum mechanics also provide a framework for understanding the atom's structure based on experimental evidence.

Is it illegal to make a Tesla coil in Canada?

It's not illegal to make, but there are legality and liability issues with where you operate it and to whom you grant access to it. These things often contain parts that remain charged, or can cause unexpected injury.

It's also possible for a decent sized Tesla coil to jam radio and television transmission (including cell and portable phones, CB, etc..) while operating. At close range, the coil can also fry sensitive electronic devices. A Tesla coil's primary coil generates a serious magnetic field, and the whole apparatus generates a lot of RF noise. If this is a type with an open spark gap, there is also a shortwave UV hazard similar to arc welding.

Do scientist study radiation?

Yes, they do. I know for a fact, because in 'The Answers Book 1', it says that they study something that starts with 'u' having a gas inside it and eventually turning into lead. It's a kind of radioactive rock, I think. Plus, isn't that kind of stuff the kind of stuff that scientists study?

What did Marie Curie and Albert Einstein have in common?

Marie Curie and Albert Einstein were both renowned physicists who made groundbreaking contributions to science. They were both awarded the Nobel Prize in Physics for their revolutionary work; Curie in 1903 and 1911, and Einstein in 1921. Additionally, both scientists had a lasting impact on their respective fields and are considered among the greatest minds in history.

What is the name of the tool that can capture images of an atom?

The tool that can capture images of an atom is called a scanning tunneling microscope (STM) or an atomic force microscope (AFM). These instruments use a fine tip to scan a sample and create detailed images of atoms on the surface.

Tem livro da vida de Louis Pasteur em portugues?

No Internet, parece que nao. Tem alguma coisa em espanhol. Porem em portugues, nao tem. Favor de visitar o sitio seguinte: http://www.pasteur.fr/ip/easysite/go/03b-000002-01k/nous-ecrire. Pode-se escrever-lhe a gente do Instituto Pasteur de Paris. Tem uma rede internacional dos institutos independentes. Claro que ha institutos nos paises suramericanos da Guiana Francesa, e da Republica Uruguayana, talvez nas cidades brasileiras do Rio de Janeiro e de Sao Paulo. Deve ter algo escrito em portugues porque a mocambicana Tasha Mota e Cunha de Vasconcelos e embaixadora do Instituto.

How did Nikola Tesla discover electricity?

Nikola Tesla did not discover electricity. He made significant contributions to the development of alternating current (AC) electrical systems, including inventing the Tesla coil, which is used in radio technology. His work helped revolutionize the way electricity is generated and distributed.

Why have scientists changed views about electricity and flow of current new discoveries were made?

Scientists changed their views on Current and electricity flows because they have made new discoveries on energy cells. They have discovered new types of cells to carry energy in different battery brands.

How many coils does a Tesla coil contain?

More coils give you a higher EMF....However, the coils are very expensive right now with the cost of copper. And it's not admitted publically, but Tesla went mad later in life, some believe because of his huge tesla coils, which have not been reproduced since Tesla. You're treading into a danger zone.

Tesla tried to make "wireless electricity", and therefore had a huge EMF, and quite honestly, this might have caused an interesting reaction in his brain, since the synaptic gap also is a little electrical current.......

How did Lavoisier's evidence support other scientists?

Lavoisier's work on the conservation of mass, the discovery of oxygen's role in combustion, and the development of the modern naming system for chemical elements supported other scientists by providing a foundation for understanding chemical reactions and laying the groundwork for further advancements in chemistry. His research contributed to the development of the science of chemistry and helped establish the principles of modern chemistry.

What natural resources are used to make plastic?

Plastic deformations are defined as the irreversible deformation of a material. Elastic deformations would be reversible.

Generally metals can undergo large plastic transformations, while ceramics cannot. This is because of the bonding between these materials.

Metallic bonding (in metals) allows the atoms to move relative to each other, while covalent bonding (in ceramics) do not.

Refer to stress/strain curves for these materials (the straight line at the start being the elastic portion of the graph; once it starts to curve it is being deformed plastically).